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Finding the Fourth Proportional to 239,456.86, 359,172.33 and 73,244.86

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Solution

The fourth proportional to 239,456.86, 359,172.33 and 73,244.86 is: 109,863.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,456.86 : 359,172.33 = 73,244.86 : x
  2. Step 2: Convert to fraction form
    239,456.86/359,172.33 = 73,244.86/x
  3. Step 3: Cross multiply
    239,456.86x = 359,172.33 × 73,244.86
  4. Step 4: Simplify right side
    239,456.86x = 26,307,527,026.72
  5. Step 5: Solve for x
    x = 26,307,527,026.72/239,456.86
  6. Step 6: Final answer
    x = 109,863.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.